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The quiz will randomly run 20 questions from Wave Propagation which you have to answer in 10 minutes.
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Communications
What is the thickest layer of the ionosphere?
Communications
What is the lowest layer of the ionosphere?
Communications
Most of the effects an electro magnetic wave produces when it interacts with matter are due to its
Communications
In electromagnetic waves, polarization __________.
Communications
A mobile receiver experiences “dead” areas of reception as a result of
Communications
A TEM wave whose polarization rotates.
Communications
When the magnetic field is perpendicular to the surface of the earth, what is the polarization of the TEM wave?
Communications
The D, E and F layers of the ionosphere are known as ____________.
Communications
If a wave has a velocity of 4800 feet per second, and wavelength of 5 feet, what is the wavelength?
Communications
In tropospheric scatter propagation, the attenuation is dependent on
Communications
What is the highest layer of the atmosphere?
Communications
What is the highest frequency that can be sent straight upward and be returned to earth?
Communications
It is the ratio effective Earth radius to true earth radius
Communications
Medium frequency range is from
Communications
What is the separation in degrees of the electric and magnetic fields in an electromagnetic wave?
Communications
Frequencies in the UHF range propagate by means of
Communications
What is the unit of electric field strength?
Communications
An electromagnetic wave consists of ___________.
Communications
When the electric field is perpendicular in the surface of the earth, what is the polarization of the TEM wave?
Communications
What is the major advantage of telegraphy over other early types of communications?
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